Summary
This study investigates the role of arbuscular mycorrhizal fungi (AMF), specifically Rhizophagus irregularis, in mediating soil nutrient cycling within mango orchard systems characterised by contrasting soil fertility levels. Using a factorial experimental design with two soil fertility treatments — derived from long-term co-cultivation with butterfly pea — and AMF inoculation as the primary variable, the research examines how AMF shape soil bacterial community structures and associated nutrient cycling processes. The findings are expected to clarify the mechanisms by which AMF modulate microbial activity to enhance nutrient availability in perennial fruit orchard contexts.
UK applicability
The study is conducted in subtropical mango orchards in China, making direct application to UK conditions limited; however, the underlying principles regarding AMF-mediated regulation of soil bacterial communities and nutrient cycling are broadly relevant to UK horticultural and orchard systems, and could inform AMF inoculant use in temperate perennial fruit production.
Key measures
Soil nutrient availability; soil physicochemical properties; bacterial community composition and diversity indices; AMF colonisation rates; soil enzyme activity; metabolic profiles
Outcomes reported
The study measured soil physicochemical properties, microbial community composition, and metabolic profiles in mango orchard soils with varying fertility levels, comparing AMF-inoculated and non-inoculated treatments. It examined how Rhizophagus irregularis influences soil nutrient availability and bacterial community structures under differing soil fertility conditions.
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